package com.zrrd.demo.JavaSE_test;

import java.io.File;

public abstract class UserServiceImp implements UserService{
    public static void main(String[] args) {
//        boolean register() {
//            File file = new File("D:/t2/张三.txt");
//
//        }
    }
}

class User {
    String username;
    String password;
    String name;

    public User() {
    }

    public User(String username, String password, String name) {
        this.username = username;
        this.password = password;
        this.name = name;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "User{" +
                "username='" + username + '\'' +
                ", password='" + password + '\'' +
                ", name='" + name + '\'' +
                '}';
    }
}

interface UserService {
    //注册
    boolean register(User user);
    //登录
    boolean login(String username, String password);
}
